The main thing is to see their own learning is not the market needs and relatively few people can grasp, if more people or difficulty is not high who can easily learn the natural competition is big, and the difficulty of the professional is not anyone can learn to
So even if there is a relationship may not be competent to master the skills that others can not easily grasp the technology then you are the most bull.
If you really have that ability even if you read three is very cow, nature will stand at the top, but the hardest is not anyone can learn, the brain is not enough to learn the technology of high difficulty.
At any time is a thing vaguely for your, high difficulty has to have the talent to be able to endure hardship, college or university is the brain enough to learn high-tech technology, or home to rely on.
Some of the most difficult technology is not the average person can learn well, have the talent to learn well, such a person no matter how many of the industry will be robbed by various industries.
Things vaguely for you in any age will not change.
First, ask yourself if you have high-tech skills, will you?
About the scarcity of things to be expensive